Boards
Chair-o-planes
Articles:
http://en.wikipedia.org/wiki/Chair-O-Planes
Blogs:
http://jennylawrence.blogspot.com/2006/08/chairoplanes.html
Images:
http://www.nfa.dept.shef.ac.uk/images/ridesphotos/hist11.jpg
http://images.inmagine.com/img/radiusimages/rd182/rds046374.jpg
http://farm1.static.flickr.com/125/319722745_4fe7b26538.jpg?v=0
Videos:
http://uk.youtube.com/watch?v=e4xD6iK_Sws
http://uk.youtube.com/watch?v=LS183oqQn4Y